Here’s a science-backed approach to timing your next dose.
Moderna’s approved shot is tailored to the subvariant BA.1, which began spreading in late 2021 and drove theOther versions from both Moderna and Pfizer focus on BA.4 and BA.5, which together make up nearly all of Canada’s recent COVID cases. Several sources confirmed to CBC News that an announcement regarding the approval of Pfizer’s shot is expected on Friday.
“Going forward, if we find out that one of these is significantly better, I’m very confident that the guidance will change to reflect that,” he said.Meanwhile, for the roughly one in 10 Canadians aged five and up who still haven’t had a single shot, the original vaccines are still available to start that process.As you’re trying to time your next booster shot, some medical experts say you can also factor in your lifestyle and schedule.
“Upcoming travel or a big indoor wedding as we move into the colder months of the year is a reason to accelerate the timing for which you might have been vaccinated — but probably not a reason to delay it,” he said, since that could leave you vulnerable to infection in the interim if it’s been six months or more since your last exposure.
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